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authorLeon Romanovsky <leon@leon.nu>2011-11-17 14:01:30 +0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-11-17 20:48:18 +0400
commit277c01bb45a4924b1741fd41c353860e8d530f6f (patch)
tree2b867d08f08f8a33edd428575443046d0f32f248 /sound/soc/codecs/alc5632.c
parent9b4156cbe9c18605d42ecf80bb99364d0c5b884a (diff)
downloadlinux-277c01bb45a4924b1741fd41c353860e8d530f6f.tar.xz
ASoC: alc5632: Update of i2c_probe function to use regmap API only
Signed-off-by: Leon Romanovsky <leon@leon.nu> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/codecs/alc5632.c')
-rw-r--r--sound/soc/codecs/alc5632.c67
1 files changed, 30 insertions, 37 deletions
diff --git a/sound/soc/codecs/alc5632.c b/sound/soc/codecs/alc5632.c
index be102281c0a7..c32eadebb762 100644
--- a/sound/soc/codecs/alc5632.c
+++ b/sound/soc/codecs/alc5632.c
@@ -1053,48 +1053,14 @@ static __devinit int alc5632_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct alc5632_priv *alc5632;
- int ret, vid1, vid2;
-
- vid1 = i2c_smbus_read_word_data(client, ALC5632_VENDOR_ID1);
- if (vid1 < 0) {
- dev_err(&client->dev, "failed to read I2C\n");
- return -EIO;
- } else {
- dev_info(&client->dev, "got vid1: %x\n", vid1);
- }
- vid1 = ((vid1 & 0xff) << 8) | (vid1 >> 8);
-
- vid2 = i2c_smbus_read_word_data(client, ALC5632_VENDOR_ID2);
- if (vid2 < 0) {
- dev_err(&client->dev, "failed to read I2C\n");
- return -EIO;
- } else {
- dev_info(&client->dev, "got vid2: %x\n", vid2);
- }
- vid2 = (vid2 & 0xff);
-
- if ((vid1 != 0x10ec) || (vid2 != id->driver_data)) {
- dev_err(&client->dev, "unknown or wrong codec\n");
- dev_err(&client->dev, "Expected %x:%lx, got %x:%x\n",
- 0x10ec, id->driver_data,
- vid1, vid2);
- return -ENODEV;
- }
+ int ret, ret1, ret2;
+ unsigned int vid1, vid2;
alc5632 = devm_kzalloc(&client->dev,
sizeof(struct alc5632_priv), GFP_KERNEL);
if (alc5632 == NULL)
return -ENOMEM;
- alc5632->id = vid2;
- switch (alc5632->id) {
- case 0x5c:
- alc5632_dai.name = "alc5632-hifi";
- break;
- default:
- return -EINVAL;
- }
-
i2c_set_clientdata(client, alc5632);
alc5632->regmap = regmap_init_i2c(client, &alc5632_regmap);
@@ -1104,6 +1070,24 @@ static __devinit int alc5632_i2c_probe(struct i2c_client *client,
return ret;
}
+ ret1 = regmap_read(alc5632->regmap, ALC5632_VENDOR_ID1, &vid1);
+ ret2 = regmap_read(alc5632->regmap, ALC5632_VENDOR_ID2, &vid2);
+ if (ret1 != 0 || ret2 != 0) {
+ dev_err(&client->dev,
+ "Failed to read chip ID: ret1=%d, ret2=%d\n", ret1, ret2);
+ regmap_exit(alc5632->regmap);
+ return -EIO;
+ }
+
+ vid2 >>= 8;
+
+ if ((vid1 != 0x10EC) || (vid2 != id->driver_data)) {
+ dev_err(&client->dev,
+ "Device is not a ALC5632: VID1=0x%x, VID2=0x%x\n", vid1, vid2);
+ regmap_exit(alc5632->regmap);
+ return -EINVAL;
+ }
+
ret = alc5632_reset(alc5632->regmap);
if (ret < 0) {
dev_err(&client->dev, "Failed to issue reset\n");
@@ -1111,7 +1095,16 @@ static __devinit int alc5632_i2c_probe(struct i2c_client *client,
return ret;
}
- ret = snd_soc_register_codec(&client->dev,
+ alc5632->id = vid2;
+ switch (alc5632->id) {
+ case 0x5c:
+ alc5632_dai.name = "alc5632-hifi";
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ ret = snd_soc_register_codec(&client->dev,
&soc_codec_device_alc5632, &alc5632_dai, 1);
if (ret < 0) {